Electric motors : letters patent to Edward Henry Cradock Monckton, of Fineshade, Northamptonshire, for the invention of "Improvements in generating and applying the electric current and in producing motive power, and in the apparatus necessary for carrying the same into " : Sealed the 23rd February 1877, and dated the 28th November 1876.

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Electric motors : letters patent to Edward Henry Cradock Monckton, of Fineshade, Northamptonshire, for the invention of "Improvements in generating and applying the electric current and in producing motive power, and in the apparatus necessary for carrying the same into " : Sealed the 23rd February 1877, and dated the 28th November 1876. Public Domain Mark. Source: Wellcome Collection.